IngliżShell thin, medium to large sized (commonly exceeding to 10 cm in length), laterally compressed, almost circular in outline, gaping anteriorly and posteriorly. Both valves somewhat convex, the right (lower) valve only a little more inflated and larger than the left (upper) valve. Ears small, subequal in size and shape, with the right anterior ear faintly sinuated at anteroventral margin and devoid of ctenolium. Surface of left valve with 2 broad and very shallow depressed areas radiating from the umbo to anteroventral and radial lines. Interior of both valves with distinct radial ribs, usually in pairs, much narrower than the flat interspaces and becoming obsolete on umbonal area. Right valve with 42 to 54 internal radial ribs (46 to 54 in the typical subspecies A. japonicum, and 42 to 48 in the southern A. japonicum balloti). Colour: outside of left valve reddish brown, with variable shades along the concentric growth marks; outer colour pattern of subspecies balloti also with small, yellowish and dark brown spots along radial lines on umbonal area and often with a few irregular, larger dark spots towards periphery. Interior of left valve glossy to pale yellow externally and internally; subspecies balloti with an additional external brown scattering along some concentric growth marks.
Dehra traduzzjoni
Tradott mill-Ingliż minn BING
Din it-traduzzjoni hija purament indikattiva: minħabba l-kwalità limitata tat-test sors, id-deskrizzjonijiet morfoloġiċi huma disponibbli biss bl-Ingliż fil-verżjoni BETA tas-sistema. L-informazzjoni multilingwi se tkun disponibbli fil-ħarġiet futuri.
MaltiNeħħi l-qoxra rqiqa, medju biex kbar daqs (komunement jeċċedi sa 10 ċm fit-tul), lateralment ikkompressati, kważi tond fil-qosor, molluksi anteriorly u posteriorly. Żewġ valvoli naqra konvessi, il-valv dritt (isfel) biss ftit aktar minfuħ u akbar mill-valv (upper) tax-xellug. Widnejn żgħar, subequal fid-daqs u forma, mal-widna dritt anterjuri jidhru sinuated fil-marġini anteroventral u bla ctenolium. Wiċċ tal-valv tax-xellug ma 2 wiesgħa u baxx ħafna żoni depressi li toħroġ mill-umbo-linji anteroventral u radjali. L-intern ta ' żewġ valvoli b ' kustilji radjali distinti, normalment f ' pari, ferm aktar dejqa minn dawk l-interspaces ċatt u isir skaduta fuq iż-żona umbonal. Valvola dritt ma 42 sa 54 intern radjali kustilji (46 sa 54 fil-subspeċi tipiku A. japonicum, u 42 sa 48 fis-sud A. japonicum balloti). Kulur: barra l-valv tax-xellug ħamrani kannella, ma sfumaturi varjabbli matul il-marki ta ' tkabbir konċentriku; kulur fuq barra tal-mudell tal-subspeċi balloti wkoll ma ' spots kannella żgħir, safrani u skur fuq linji radjali fuq iż-żona umbonal u ħafna drabi ma ftit irregolari, akbar skur spots ta lejn il-periferija. L-intern tal-valv tax-xellug jleqqu għal isfar ċass esternament u internament; sottospeċi balloti bl-addizzjonali esterni kannella it-tifrix matul xi marki konċentriku tat-tkabbir.